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Agile Controller EEM V200R010C10 Alarm Handling

This document provides the explanations, causes, and recommended actions of alarms on the EEM.
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DCU_103104443 Frozen Data Exceeding Event

DCU_103104443 Frozen Data Exceeding Event


Daily, monthly, and curve frozen data of electrical meters is stored in the storage space of the DCU to which the electrical meters connect. An upper threshold is set for stored frozen data as the DCU storage space is limited. When frozen data stored on the DCU exceeds the upper threshold, this alarm is generated.


Alarm ID Alarm Severity Alarm Type



Device alarm

Impact on the System

Frozen data files of electrical meters stored on the DCU may be deleted.

Possible Causes

Frozen data stored on the DCU exceeds the preset upper threshold. The default maximum amount of frozen data that is allowed to be stored on a DCU is 150 MB.


  1. When frozen data on a DCU exceeds the upper threshold, the DCU automatically deletes excess frozen data files, and no manual operation is involved.


The system cannot automatically clear alarms. You need to manually clear the alarm.

Updated: 2019-03-07

Document ID: EDOC1100053923

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